コード例 #1
0
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
            var osmpbf = "./data/utrecht-latest.osm.pbf";
            // https://tiles.sharedstreets.io/12-2106-1351.intersection.pbf
            var intersectionStream = File.OpenRead("./data/12-2106-1351.intersection.pbf");
            var intersections      = SharedStreetsTileParser.Parse <SharedStreetsIntersection>(intersectionStream);

            // 5099
            Console.WriteLine("Number of intersections:" + intersections.Count);

            var tile   = new Tile(2106, 1351, 12);
            var bounds = tile.Bounds();

            // read osm pbf
            var source   = new PBFOsmStreamSource(new FileInfo(osmpbf).OpenRead());
            var filtered = source.FilterBox((float)bounds[0], (float)bounds[3], (float)bounds[2], (float)bounds[1]); // left, top, right, bottom
            var i        = 0;

            //grab all way segments for road name A
            //grab all way segments for road named B
            //compare both list of nodes
            //return equal nodes


            // filter intersections, geometries
            // todo: improve perf
            foreach (var element in filtered)
            {
                if (element.Type == OsmGeoType.Way)
                {
                    var way   = (Way)element;
                    var nodes = way.Nodes;
                    foreach (var node in nodes)
                    {
                        var otherway = GetOtherWay(source, way, node);

                        if (otherway != null)
                        {
                            Console.WriteLine(node);
                            i++;
                        }
                    }
                }
            }

            //  533926
            Console.WriteLine("Number of nodes: " + i);
            Console.ReadKey();
        }
コード例 #2
0
        public static Graph.RoutingGraph ReadOsmData(string path, string testPointsPath, string name)
        {
            RoutingGraph graph = new RoutingGraph(name, testPointsPath);

            {
                using (var fileStreamSource = File.OpenRead(path))
                {
                    var source       = new PBFOsmStreamSource(fileStreamSource);
                    var filtered     = name.Equals("VA")? source.FilterBox(-77.8f, 39.4f, -77f, 38.67f) : source;
                    var nodesAndWays = from osmGeo in filtered
                                       where osmGeo.Type == OsmSharp.OsmGeoType.Node || (osmGeo.Type == OsmSharp.OsmGeoType.Way && osmGeo.Tags != null && osmGeo.Tags.ContainsKey("highway"))
                                       select osmGeo;
                    var completed = nodesAndWays.ToComplete();

                    foreach (var obj in completed)
                    {
                        if (obj.Type == OsmSharp.OsmGeoType.Way)
                        {
                            OsmSharp.Complete.CompleteWay way = (OsmSharp.Complete.CompleteWay)obj;

                            var    vList      = new List <Vertex>();
                            Vertex fromVertex = null;
                            foreach (OsmSharp.Node node in way.Nodes)
                            {
                                var location = new Coordinates(node.Latitude, node.Longitude);
                                var toVertex = graph.AddVertex(location);
                                if (fromVertex != null)
                                {
                                    var edge = new Edge(fromVertex, toVertex);
                                    graph.AddEdge(edge);
                                }
                                fromVertex = toVertex;
                            }
                        }
                    }
                }
            }
            graph.CleanGraph();
            return(graph);
        }